2143532000 has 96 divisors (see below), whose sum is σ = 5366559744. Its totient is φ = 841152000.

The previous prime is 2143531997. The next prime is 2143532011. The reversal of 2143532000 is 2353412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206945 + ... + 217055.

It is an arithmetic number, because the mean of its divisors is an integer number (55901664).

Almost surely, 2^2143532000 is an apocalyptic number.

2143532000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143532000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2683279872).

2143532000 is an abundant number, since it is smaller than the sum of its proper divisors (3223027744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143532000 is a wasteful number, since it uses less digits than its factorization.

2143532000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10189 (or 10171 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2143532000 is about 46298.2937050600. The cubic root of 2143532000 is about 1289.3673158933.

Adding to 2143532000 its reverse (2353412), we get a palindrome (2145885412).

It can be divided in two parts, 21435 and 32000, that added together give a palindrome (53435).

The spelling of 2143532000 in words is "two billion, one hundred forty-three million, five hundred thirty-two thousand".